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Q77921900

white dwarf in the constellation Ursa Major
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Q77921900

Summary

Q77921900 is a white dwarf[1].

Key Facts

  • Q77921900's instance of is recorded as white dwarf[2].
  • Q77921900's constellation is recorded as Ursa Major[3].
  • Q77921900's spectral class is recorded as DAH[4].
  • Q77921900's catalog code is recorded as SDSS J125416.01+561204.7[5].
  • Q77921900's catalog code is recorded as SDSS J125416.00+561204.6[6].
  • Q77921900's catalog code is recorded as WD 1252+564[7].
  • Q77921900's catalog code is recorded as Gaia DR2 1576695447983656192[8].
  • Q77921900's redshift is recorded as {'unit': '1', 'amount': '+0.00000'}[9].
  • Q77921900's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.983'}[10].
  • Q77921900's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.208'}[11].
  • Q77921900's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.331'}[12].
  • Q77921900's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.62'}[13].
  • Q77921900's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.393'}[14].
  • Q77921900's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.1422'}[15].
  • Q77921900's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.9779'}[16].
  • Q77921900's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+0'}[17].
  • Q77921900's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+200.8879'}[18].
  • Q77921900's SIMBAD ID is recorded as SDSS J125416.00+561204.6[19].
  • Q77921900's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+193.56663718599400'}[20].
  • Q77921900's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+56.20130040356120'}[21].
  • Q77921900's epoch is recorded as J2000.0[22].
  • Q77921900's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+10338'}[23].
  • Q77921900's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+420000000'}[24].
  • Q77921900's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-3.506'}[25].
  • Q77921900's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+22.218'}[26].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . SIMBAD. wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . SDSS DR7 white dwarf catalog. wikidata.org.
  4. [5] ↑ . SIMBAD. wikidata.org.
  5. [6] ↑ . SIMBAD. wikidata.org.
  6. [7] ↑ . SIMBAD. wikidata.org.
  7. [8] ↑ . SIMBAD. wikidata.org.
  8. [9] ↑ . The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
  9. [10] ↑ . The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
  10. [11] ↑ . The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
  11. [12] ↑ . The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
  12. [13] ↑ . The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
  13. [14] ↑ . The SDSS Photometric Catalog, Release 7. wikidata.org.
  14. [15] ↑ . Gaia Data Release 2. wikidata.org.
  15. [16] ↑ . Gaia Data Release 2. wikidata.org.
  16. [17] ↑ . The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
  17. [18] ↑ . Gaia Data Release 2. wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . Gaia Data Release 2. wikidata.org.
  20. [21] ↑ . Gaia Data Release 2. wikidata.org.
  21. [22] ↑ . Gaia Data Release 2. wikidata.org.
  22. [23] ↑ . SDSS DR7 white dwarf catalog. wikidata.org.
  23. [24] ↑ . SDSS DR7 white dwarf catalog. wikidata.org.
  24. [25] ↑ . Gaia Data Release 2. wikidata.org.
  25. [26] ↑ . Gaia Data Release 2. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Q77921900. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77921900
MLA “Q77921900.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77921900.
BibTeX @misc{4ortxyz_q77921900_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77921900}}, year = {2026}, url = {https://4ort.xyz/entity/q77921900}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77921900 — https://4ort.xyz/entity/q77921900 (retrieved 2026-05-07)

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